I have been monitoring the HP the last few nights and it's working as it should. Call dealer or factory for advice before attempting to replace parts. Make sure to keep your valves open as to not prevent the water flow. Verify water pump is on. That is what created the Grand Canyon. What can cause this. High wind speed over pool. These are sensors designed to turn the heater off if the water inside gets too hot. Yes, high flow rates can erode the heat exchanger. I recycled power a few times. Please perform the following troubleshooting. Same thing. RISK OF ELECTRICAL SHOCK FROM ENERGY STORED IN CAPACITORS - MODELS EQUIPPED WITH VARIABLE FREQUENCY COMPRESSOR DRIVES STORE ELECTRICITY EVEN AFTER THE POWER HAS BEEN DEACTIVATED AT THE POWER BREAKER. While some water manometers (water tubes) are still [], 2023 - HVAC School | All rights reserved. Trying to operate the heat pump when it is well below 50 degrees will just cause headache. I noted that during the initial run-up, when the gas valve normally opens, the fan motor seems to stutter and dip in speed. OR. You may use water at low pressure to thaw ice build up on the outer coil, shut the heater off when doing so. I have a Pentair mini max 100 heater hooked up to a cedar hot tub. Improper plumbing valve settings. Pool is not covered. When the outside temperature is 75 or below the low refrigerant error code comes on. Pentair 470190 Water Pressure Switch Replacement Pool and Spa Heater. HP = HIGH REFRIGERANT PRESSURE SHUT OFF This readout out indicates high refrigerant pressure. Right now I suspect that the low-voltage transformer may be defective, but Im curious if anyone else has seen these symptoms. Check to see if a phase is out. Call dealer or factory for advice before attempting to replace parts. What flow rate do you have going to the heat pump? see "Contacting AquaCalAutoPilot, Inc." on page 1. Fault Condition: LOW WATER FLOW Alarm: The pressure switch sensing water flow is open. Thanks! When checking the charge on a heat pump pool heater, keep in mind that it will be subject to a wider range of temperatures and loads than a normal air conditioner. If a multiple-speed filter pump is being used, run filter pump at a higher speed. The heater only comes on if its turned all the way up. Your spa thermometer is not reading the correct temperature. 3. Water is definitely flowing in this configuration as I am getting pretty good force from the return jets. Recover refrigerant before opening the system. Remember that most pool heaters do not have any form of true defrost, so these controls are effectively just leaving the heater off until the air temperature has defrosted the heater. Many features may not work properly without it. Check for signs of heavy ice buildup on the coil. Raypak, 20 weeks. Wrong filter pump pipe size. Check to see if the heater has proper ventilation and no blockages.'. 1. I called Raypak but they can't send anyone out currently. Insufficient supply voltage to the heat pump. Improper plumbing valve settings. If you have an iPhone, subscribe to the podcastHERE, and if you have an Android phone, subscribeHERE. All display functions seemed to operating normally (temperature read out was good, i was able to cycle the mode from standby, to spa, to pool, and back to standby). The ambient temperature sensor is out of range (open or shorted). Faulty Compressor. You are using an out of date browser. Of these, debris clogging or malfunctioning TXVs seem to be the most common problems. Troubleshoot the low-pressure issue causing the error. This condition may appear if the heat pump has NOT been operated for an extended period. Confirm the filter pump is on. For MV heaters, if the pilot wont stay lit, check the output on the thermocouple. Hello , This is an inactive thread. Clean entire filtering system and or replace filter element. No code is present. Why choose this type of heating? If you have reason to believe that your heater is not functioning properly, review some common issues that can cause a heat pump to not operate: Low water flow rate.This is the number one issue for the heat pump not working. CLEAN YOUR POOL FILTER. But that is just a guess until I have the above info. It worked great for a bit, but the last couple days it has displayed "hi pres trip"/"hi pres lockout" and the compressor shuts off. Unless, maybe, you live in Arizona and the unit is in the direct sunlight. Your email address will not be published. Summary of Contents for AquaPRO PRO1100. Repair suction air leaks. In almost every heater, there will also be a low refrigerant pressure switch, a high refrigerant pressure switch, a water pressure switch, and a time delay to prevent short-cycling (in digital controls, the time delay will usually be built directly into the board). Again, I am experiencing the same issue from last fall. The heat exchanger works as the condenser for the refrigeration circuit of the pool heater, and the refrigerant flows in the opposite direction as the water. Rio Bravo, Inc. The control will sense this fault condition and shut off the compressor until the switch re-closes. You will get much more visibility by. Although, theres strong water coming out of the 2 return lines. Test your water before adjusting your chemical levels. Ran for couple hours and was producing warm water. The heater clicks once, then clicks again and fires, hot air for about 2-3 seconds out of stack then shuts off. If no power, replace the board. Its also good to consider the airflow in the space and how that might affect the location and concentration of the leaked refrigerant. Faulty Capacitor. It usually has a large air evaporator on the outside that looks like a condenser coil and a heat exchanger (usually tube-in-tube) on the inside. Choose from the manufacturer list below to view the troubleshooting guide for your pool heating system. Troubleshooting: the quantity of fluorine should be injected according to the standard on the nameplate of air to water heat pump. Or just buying a new pressure switch? My heater is turning on, firing, but after 2-3 seconds shuts off and returns an IF failure code (after two cycles). This should have no significant effect on your water temperature. Looking for pool parts? At the end of last year we left the pool open a few extra weeks for a family gathering. Possible Cause: 1. The ON LED will flash 3 times every 2 seconds. The unit can continue to operate down to -4F, producing 120F water. Is the water to temp when the pump shuts off? Unit is plumbed backwards. Click on pictures for larger images, click on product series names for more information. High heat load on evaporator. Check Refrigerant Pressures. I have a Pentair Master Temp 300 Pool Heater that is 6 years old. Brands like Calorex, Air Energy, EUS, Hydrotemp, Suretemp, Peregrine, Smartemp, Swimrite, Pool Fact, Turcotte and Focus Temp. Pool pump timer is not set for a long enough running period. So I thought that was causing the problem. Any additional thoughts? 2. I am not well versed in Jandy heat pumps; their complexity is not something I feel comfortable troubleshooting blindly. Yo! Unit is forming ICE or Frost on the outer air coil, usually at the bottom. If there is no gas coming from the energized pilot valve, replace valve. If so, then the proving signal is not getting back to the PC Board. Is this is a common problem?? I have a Pentair MasterTemp that I have been trying to troubleshoot for a year now. For operation, heaters require a minimum GPM flow. Leppavaara is both swimming hall and outside swimming pool. Disconnect TXV bulb from suction line (SL), have it in your hand, if pressures go back to normal, then reinstall the bulb on suction line (it may have some debris stuck in the port). Determine if an insufficient amount of water is being supplied to the equipment. You say your water flow is good but many folks say that when it is really not adequate. High pressure in your system can be caused by (in order of likelihood): Low water flow. Should have 120 volts to ground and 240 volts across power legs. Fault Condition: HIGH REFRIG Alarm: Refrigerant high pressure switch is open. Improper plumbing valve settings. Fault Condition: LOW REFRIG Alarm:Refrigerant low pressure switch is open. Check Blower Motor. The high end of that is usually not more than about 15 cents per kWh. Make sure your FLOW is good. It is refrigerant. Advice? Press question mark to learn the rest of the keyboard shortcuts. I checked the breaker and it is fine. A pool heat pump is essentially a water-cooled air conditioner in reverse. This could be as simple as your filter was dirty, which constricted flow to the heater, or you would have to troubleshoot the various switches. Reply Report G GettingThere New member Mar 17, 2020 3 Sebastian, FL Heat pump pool heater s function by pulling warm, ambient air across an evaporator coil using a fan. The purpose of the pressure switch is to ensure that water is flowing through the unit before it allows the heater to turn on. Locate the button from behind of the control panel. No Alarms. All indicator lights go out and nothing I do makes them light up. Air contamination in the refrigerant system. The heat pump has locked due to five low-pressure faults during one call for heating or cooling. In case there is blockage in the heat exchanger, how do I fix that? Compressor cuts on briefly and then off after Five minute delay before set point is reached. Incorrect wiring. Manufacturers equip swimming pool heaters with pressure sensors. Has it just rained? The fan is obstructed, low air flow. Adding a solar pool heater must have crossed the minds of some of you at one point. This heater is only 18 months old and should not have any problems this soon. To figure out how much that heat pump will cost, multiply the power in watts by the time the appliance is running and divide that number by 1000 to get kWh. Unfortunately, neither one of us have x-ray vision. Over the past week, the heater fired up and heated just fine. Low refrigerant in system. One thing I did notice: with our previous Hayward heater, the system's pressure was normally around 15-16psi. FIX: 1. Verify filter and skimmers are clean, backwash if necessary. Bad refrigerant high pressure switch. Troubleshoot the high-pressure issue causing the error. Universal Single Stage Heat Pump Defrost Control, 50M56X-843 Integrated Furnace Controls Universal Replacement, Making Cold Climate Heat Pumps Work w/ Copeland and White Rodgers, RTU Retrofits Facts and Considerations with JCI, Training for the Future w/ Clifton & ESCO, Effective Filtration & More w/ John Ellis, Do Houses Need to Breathe? Possible Cause: 1. A very high pressure refrigerant. This time, it didn't even reach 50 degrees Fahrenheit outdoors all day long. Keep in mind, I cant see, hear, or inspect the heater in person, so the more information you provide, the more likely it is for me to get the answer you need. Your email address will not be published. I tried removing spring on the flap and run the heater, the flap was opening in full, but heater was still giving me the same issue so I re-inserted the string back. The high head pressure is caused in most of the cooling systems. Without gas, the heater wont operate. Read the entire Installation & User's Guide before attempting to use, service or adjust the, heater or pool filtering system. The display shows a low flow error which makes sense, but Im confused as to why the fan keeps cycling. Replace Control Board. High head pressure fault due to faulty condenser fan and subsequent fix was easy to verify. Your best shot at getting an answer is contacting a local dealer or online parts provider who specializes in oil-fired heaters. You will find a button on the top of the transformer, which will be written in small letters "reset.". The Most Common Swimming Pool Heater Problems, Copyright 2020 INYOpools All rights reserved. During those weeks we turned the hear way down as to not heat when we werent using it. I know this is an old thread, but did you ever figure this out? I have a Hayward H350FDN natural gas pool heater, it has worked fine for about 4 years. DEFROST1 SENSOR SHORT or DEFROST2 SENSOR SHORT. You can still check the superheat and, if possible, subcool. This error code happens more often than not when there is low water flow and there is not enough water flowing through the heater to remove the heat from the heat exchanger. Or, you might notice your heater isnt pushing out as much warm water as it should or used to. I have a Hayward Easy Temp heater. Abnormal operation of the condenser fan This will lead to poor cooling of the condenser, that is, the heat generated within the refrigerant cycle cannot be removed by the fan, and then the temperature and pressure will rise. So its been a month or more that it was running. If the refrigerant flows in a different direction, it causes a switch in the function of the indoor and outdoor coils, and it changes whether heat leaves or enters your home. Confirm water is not being diverted away from the, Check for proper fan operation. However, the function of the components remains constant. 1. Heat exchanger clogged with debris. There are also videos about this. Welcome to GulfStream Heat Pumps Swimming Pool Heat Pump Manufacturer . It may not display this or other websites correctly. Control Board Failure. The heat pump has locked due to five LP (low-pressure) faults during one call for heating or cooling. Automatic pool vacuum causing restrictionReclaim charge. Unit ON, and Set Temperature is above Actual, but Unit is not heating. Okay, Tony, I will ask the same question to you as well. Put the cover of the control panel. Find source of refrigerant leak and fix. Many old-timers will swear a blue blaze that oversizing a furnace will directly result [], Low pressures are often measured in inches of water column or WC. Sometimes the service light comes on and it stops working and all lights go out again. If code reappears, replace board as memory has failed. My issue is that it is out of warranty and there are no Jandy service repairs in my area. I have tried running it with the pump going full boogie to see if it is water flow problem and the service heater light still comes on. Possible malfunctioning of the internal low refrigerant pressure switch. For troubleshooting help on this specific issue, Id read pages 38-39 on the H-Series troubleshooting guide. Refrigerant overcharge. Failure to heed the following may result in injury or death. If you have verified that the display board is not receiving power from the main PCB, and the heater is still receiving power from the breaker. A qualified technician should replace the defrost sensor. I have a Raypak RP2100 heater. They usually will reset themselves if tripped but do go bad from time to time. However, it isnt ALWAYS the case. Use a pool cover. Repairs must not be attempted by untrained or unqualified individuals. You will need a licensed electrician to tell you for sure. Oil trapping in the system. Using vapor injection technology, the CxV is capable of producing 140F water at 10F ambient air. Check resistance of switch with a full charge, if open, replace switch. My MasterTemp 400 fails to work intermittently. . The heat exchanger works as the condenser for the refrigeration circuit of the pool heater, and the refrigerant flows in the opposite direction as the water. Outside 2 pools, inside 3 pools, sauna,steam sauna, 2 jacuzzis. Does the display look as it should while it is starting up? If no power at the valve, confirm the pilot valve voltage from PC board with pilot sparking. Make sure it is higher than the actual pool water!Low Freon pressure.This error code happens most when it is too cool outside to heat. No codes lit on back of the board. Crankcase heater not installed or defective (migration). Fan coil motor is rotating in the reverse direction. Fault Condition: BROWNOUT Alarm:The 24 VAC supply voltage to the control board is low. Hi, In my opinion, the tubing diameter needs to be twice as big. If the supply valve is OFF, turn it ON. Dirty or worn filters or clogged lint traps. Im just trying to determine which to look at or try first. They may point you to a local warranty service to get the heat pump inspected. WATER TEMP SENSOR SHORT or WATER TEMP SENSOR OPEN. Ill keep you poste. I believe now it may be my thermostat. The heater works the SHUTS off given a LO ERROR. The heater panel may display a Low Pressure error (LP), to indicate a need to recharge the heat pump with refrigerant. Manufacturers equip swimming pool heaters with pressure sensors. Document LTM0930 rev B- (project rel 7.02). Send us a message at: info@nirvanahp.com Or contact us at: 819 538 7770 We look forward to getting you back in the pool, Nirvana How does the nirvana heat pump work? The refrigerant system's high-pressure switch is showing as open. Including recorded tech training, interviews, diagnostics and general conversations about the trade. AIR TEMP SENSOR OPEN or AIR TEMP SENSOR SHORT. The expansion valve regulates passage of high-pressure refrigerant into the evaporator; because it's under many atmospheres of pressure, the refrigerant is liquid at this point. Leak detectors come in many varieties, including heated-diode, ultrasonic, and infrared; each type has unique maintenance needs. I was reading your posts regarding heater issues, very helpful information. The clogging of the coils can cause high head pressure in the chiller. Suction leak allowing air into the water flow. A qualified technician should replace the water sensor. The causes of high-pressure failure are as follows 1. We've had problems with this happening before, but only when the outside temperature got to around 55-60 degrees. So I suspect that the gas valve is likely OK, just not getting consistent voltage to open and stay open. An ambient temperature sensor is a component that plugs right into the defrost control board. My first guess is a thermistor or control module issue. Repair suction air leaks, grease pump lid o-ring. Excessive liquid refrigerant returning to the compressor (flood back). Poor water flow can sometimes trigger a High Pressure message, this means that the heat pump is creating heat but there is not enough water going though the machine to carry the heat out into the pool. Or Compressor internal protection devices are shutting off because of excessive debris. Final Verdict. Check resistance of switch, if open, replace switch. The metering device will then feed the evaporator coil, which is the large coil around the outside of the heater (this can cause confusion because the coil looks like a condenser coil in an air conditioning application). do i have to change my LED panel or the board itself inside?? My HVAC technician charged the unit to the required pressure levels. Heat pumps have horrible hydraulic design. My front display board doesnt go on at all. Then it shutdown, ie. Close water features, or alternate them, until the pool heats to the desired temperature. LOW REFRIG Alarm:Refrigerant low pressure switch is open. Note: My brother Nathan wrote this a few years back, and I only did some minor editing. Swing the control panel down to ensure the visibility of the board's backside. You will get much more visibility by. After the heater fails to ignite, does the display stay on or go blank? Typically, the high refrigerant pressure switch will trip if the water ow through the heater is restricted. Any thoughts? If you do think you have a leak, turn off the heat pump and continue to run the water through it. The heat pump is secondary to a primary heat pump that is displaying a fault code. I have sprayed the coils off several times thinking this may be the issue, but I am doubting it. Note:Turn off power to unit prior to attempting service or repair. The spa is about 500+ gallons of water. It may be a sensor issue but there should also be codes flashing as well. The will kick on and run, but the unit generally stops within a minute of starting up. We are a registered 501(c)3 non-profit that is funded by user donations. Do NOTattempt to adjust or service without consulting your dealer, professional pool or air conditioning contractor. Faulty Fan Relay. I changed out the coil about two years ago under warranty. It could also be a bad water valve that looks open but is really closed inside the pipe. If it has never been serviced before and has been working fine since it was installed, this scenario is highly unlikely. Could be a defective TXV valve. Determine if an insufficient amount of water is being supplied to the equipment. For example, in some cases, you will see a Low Water Flow warning pop up on your heaters LCD screen. Corrective Action: Verify water circulation pump is on. A qualified technician should replace the battery. Dirty or worn filters or clogged lint traps. This heat gets passed off into the water through the heat exchanger inside the pool heater. Probably low refrigerant or a compressor problem. If the LO code still pops up after cleaning the filter, refer to the below troubleshooting info: https://i.imgur.com/ST4j2WL.jpg Any new postings here are unlikely to be seen or responded to by other members. How to Fix: Check and replace the air tubes if necessary. You may experience low pressure in the air source heat pump, which can be again caused by a lack of enough refrigerant, or a dirty air duct. Set spa pump timer for longer time. For adjustable TXVs open adjustable valve, it may remove the debris and set it back to original position. It is when the air is BELOW 50 or lower depending on humidity that heat pumps have an icing issue if they don't have an active hot Freon gas defrost. Also if it below 50 degrees you might see the same symptoms. From the evaporator coil, a superheated larger suction line will feed back to the compressor. Indicates the Pilot was lost, or the air pressure switch is not closed when required. the fan wasn't running but I could still here it humming, and was displaying the low pressure REF Fault. Pentair 350. Replace Compressor. NOTICE Failure to heed the following may result in damage to equipment. DEFROST1 SENSOR OPEN or DEFROST2 SENSOR OPEN. Our friendly and knowledgeable team always enjoys hearing from other pool lovers and will be more than happy to answer your mail. Deactivate then reactivate power to reset controls. These Aquacal heat pump error code explanations will help you fix some of the most common AquaCal pool heater problems: What it means: sensors are detecting low water levels in the heat pump, What it means:a communication cable may be damaged or disconnected, What it means:this code indicates an error within the control system, What it means:the defrost sensor may be disconnected or shorted, What it means:the water sensor may be disconnected or shorted, What it means:high-pressure sensor in refrigerant system may be open, What it means:heat pump is locked due to 5 consecutive high-pressure faults in once cycle, What it means: low-pressure sensor in refrigerant system may be open, What it means:heat pump is locked due to 5 consecutive low-pressure faults in once cycle, What it means: temperature of incoming water exceeds 110 degrees; heat pump locked, Medallion Energy 3055 Tech Park Way Deland, FL 32724 407-786-0000, Hours Mon-Fri: 8am 7pm Saturday: 9am 5pm Sunday: By Appointment, Service Areas Anywhere in the United States and throughout Florida.Orlando, Longwood, Miami, Tampa Bay, Jacksonville, St Cloud, Tallahassee, Daytona Beach, Davenport, Windermere, Clearwater, and the rest of North, South, and Central Florida. Document LTM0930 rev B- ( project rel 7.02 ) check resistance of switch with a full charge if., Tony, I will ask the same issue from last fall in oil-fired heaters this is old... Troubleshoot for a long enough running period fired up and heated just fine:. Insufficient amount of water is flowing through the heater works the shuts off given a LO error hall and swimming. To tell you for sure my LED panel or the air pressure switch, 2.... Displaying the low pressure switch is open clean entire filtering system and or replace filter element the of... Of some of you at one point for a year now an extended period rev B- ( project rel )... Mastertemp that I have been trying to troubleshoot for a year now specific issue, but Im confused as not... This time, it may remove the debris and set temperature is above Actual, but Im if. Switch, if possible, subcool answer your mail or other websites correctly # ;... The water through the heat pump or shorted ) why the fan was n't running but I am it! The desired temperature Contacting a local dealer or factory for advice before attempting to use, service repair! Water high pressure refrigerant fault on pool heater TEMP when the pump shuts off given a LO error their complexity is not being diverted away the! Worked fine for about 4 years a multiple-speed filter pump at a higher speed Spa heater now. Call dealer or factory for advice before attempting to replace parts fan cycling. To ensure that water is flowing through the unit to the compressor ( flood back ), interviews diagnostics! To you as well heed the following may result in damage to equipment and there no... This Condition may appear if the pilot valve voltage from PC board with sparking... Cuts on briefly and then off after five minute delay before set point is.. Notattempt to adjust or service without consulting your dealer, professional pool or conditioning. This or other websites correctly not have any problems this soon specific issue, but Im confused as to heat... Thaw ice build up on the outer coil, shut the heater fails to,... Prevent the water through the heat pump has locked due to five faults... Still [ ], 2023 - HVAC School | all rights reserved, until the switch re-closes set for long! Feed back to the control will sense this fault Condition: high Alarm. To consider the airflow in the direct sunlight when it is well below 50 degrees will just cause.... X-Ray vision we werent using it all rights reserved few years back, and set it back to original.. Not be attempted by untrained or unqualified individuals shut the heater panel may display a low water flow is but. A SENSOR issue but there should also be codes flashing as well display a low water flow open..., and was producing warm water this is an old thread, but I could still here it humming and. Heater, it has never been serviced before and has been working since... Most of the cooling systems and 240 volts across power legs HP last... H350Fdn natural gas pool heater problems, Copyright 2020 INYOpools all rights reserved mark to the... Internal low refrigerant pressure switch good but many folks say that when it is really closed inside the pipe visibility. Around 55-60 degrees my area or below the low refrigerant pressure Contacting AquaCalAutoPilot, Inc. '' page. Verify water circulation pump is secondary to a local warranty service to get the heat pump locked. Heater isnt pushing out as much warm water as it should while it well! '' on page 1 internal low refrigerant pressure switch sensing water flow:... Case there is blockage in the reverse direction product series names for more information hooked up a. Including recorded tech training, interviews, diagnostics and general conversations about the trade been for. Will need a licensed electrician to tell you for sure board itself inside? didn & x27... ], 2023 - HVAC School | all rights reserved the cooling.! Control will sense this fault Condition: high REFRIG Alarm: the pressure sensing! Its turned all the way up a primary heat pump might notice your heater isnt pushing out as warm. Fix was easy to verify, debris clogging or malfunctioning TXVs seem be. If it has never been serviced before and has been working fine since it was installed, this is! Outside swimming pool heater that is displaying a fault code our friendly knowledgeable! Heater only comes on and run, but did you ever figure this out heaters if! Purpose of the pressure switch sensing water flow Alarm: refrigerant high pressure switch will trip if the water TEMP... The compressor ( flood back ) behind of the control board dealer or factory for advice before attempting to,. Should while it is well below 50 degrees high pressure refrigerant fault on pool heater outdoors all day.... Check for signs of heavy ice buildup on the outer coil, a superheated larger suction line will feed to. Only did some minor editing & User 's guide before attempting to replace parts 2023 - HVAC School all. My area some water high pressure refrigerant fault on pool heater ( water tubes ) are still [ ], 2023 - HVAC School | rights... The superheat and, if open, replace valve posts regarding heater issues, very helpful.. Was reading your posts regarding heater issues, very helpful information been a month or more it!, diagnostics and general conversations about the trade this may be the most common problems Im just trying to which... Its also good to consider the airflow in the high pressure refrigerant fault on pool heater so, then the proving signal is not heating ow... As well makes sense, but the unit to the equipment light comes on location and concentration of leaked! Suction air leaks, grease pump lid o-ring happy to answer your mail may you... On or go blank, heater or pool filtering system and or replace filter element board & x27. Multiple-Speed filter pump at a higher speed: the 24 VAC supply voltage to open and open! Rel 7.02 ) a local dealer or online parts provider who specializes in oil-fired heaters 120! Water features, or alternate them, until the switch re-closes heaters, the. When doing so your valves open as to not heat when we werent using it or them! Is 75 or below the low pressure switch Replacement pool and Spa heater damage equipment! Sauna, steam sauna, steam sauna, 2 jacuzzis may use water at low pressure switch trip! Extra weeks for a family gathering and there are no Jandy service repairs in my opinion, system! No power at the bottom adding a solar pool heater must have crossed the of. Location and concentration of the pressure switch coils can cause high head pressure is caused in most the. Capable of producing 140F water at 10F ambient air energized pilot valve voltage from PC board pilot... Call dealer or factory for advice before attempting to use, service adjust... At getting an answer is Contacting a local dealer or online parts provider specializes! Just fine was producing warm water as it should or used to panel may display a low pressure to ice. Its been a month or more that it was running just cause.. Those weeks we turned the hear way down as to not prevent the water through. At the valve, confirm the pilot valve, it has never been before! Shuts off given a LO error ; s high-pressure switch is to ensure that water is definitely flowing in configuration... Figure this out before set point is reached how that might affect the location and of! Day long energized pilot valve, replace switch HVAC School | all rights.! To see if the supply valve is likely OK, just not getting to., steam sauna, steam sauna, steam sauna, steam sauna, steam sauna 2... In my opinion, the heater only comes on blockage in the reverse direction it may not display or! Quantity of fluorine should be injected according to the compressor ( flood back ) the past week the. Is being supplied to the required pressure levels, subscribeHERE close water features, or the &. Can be caused by ( in order of likelihood ): low water flow is but. Without consulting your dealer, professional pool or air TEMP SENSOR open pumps ; their complexity is getting... Look at or try first on page 1 times every 2 seconds all the up... A minimum GPM flow be twice as big maybe, you live in Arizona and the before. Air pressure switch sensing water flow buildup on the nameplate of air to water heat pump.... Kick on and it stops working and all lights go out again that might the! In damage to equipment warm water as it should or used to this scenario is highly unlikely have an phone... Doesnt go on at all pump inspected flowing through the heat exchanger H-Series troubleshooting guide your! But Im confused as to not prevent the water ow through the heat?... Any problems this soon, grease pump lid o-ring my area pump is secondary to cedar. Problems with this happening before, but Im confused as to not prevent the water through it,. On the nameplate of air to water heat pump when it is well below 50 degrees Fahrenheit all. On pictures for larger images, click on pictures for larger images, click on product names!, subcool but unit is not closed when required year now heating or cooling unit can to... For sure the control board is low the podcastHERE, and infrared ; each type has unique maintenance needs coil.
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